Help! Head unit problem?
Please help, what can be the problem? Amp, head unit, optical cable, anything else?
Thanks!

Video is on the link:
https://www.dropbox.com/s/s3xko4buh6..._5709.MOV?dl=0
Please help, what can be the problem? Amp, head unit, optical cable, anything else?
Thanks!

Video is on the link:
https://www.dropbox.com/s/s3xko4buh6..._5709.MOV?dl=0


